Tractor control device



Aug 26, 1924, 1,506,707

L.. W. WITRY ET AL.

TRACTOR CONTROL DEVICE Aug 26, 192@ ,506,707

, L. Wwamv ET AL l TRACTOR CONTROL DEVICE Filed Dsc. 2, 1922 s shawls-sheet 2 Aug. 26', 1924. 1,506,707

v L. w. wlTRY ET AL TRACTOR CONTROL DEVICE Filed Dec. 2, 1922 Patented Aug. 26, 1924.

UNITED STATES PATENT OFFICE.

LOUIS W. WITRY, OF XVATERLOO, IOWA, AND ROBERT C. LIVESAY, OF MOLINE, ILLI- NOIS, ASSIGNORS TO DEERE 8a COMPANY, OF MIJNE, ILLINQIS, .A CQBPORATIN QE ILLINOIS.

1 TRACTOR, contraer .nevica Application filed December 2,4 1922. Serial No. 604,565.

To all whom t may concern:

Be it known that Louis W. l/Vrrnr and ROBERT C. LrvEsAr, citizens of the United States, residing, respectively, at Vaterloo, county of Blackhawk, State of Iowa, and lvloline, county of Rock Island, State of Illinois, have invented certain new and useful JImprovements in Tractor Control Devices, of which the following is a specification, reference being had therein to the accompanying drawing.

Our invention relates to tractors and specically to control connections between the tractor and a machine or vehicle drawn thereby, and the object of our invention is to provide a controlling means readily opera ble from a drivers position on a machine coupled to the tractor'.

Referring to the drawings in which similar numerals indicate identical parts- Figure 1 is plan view of a tractor and harvester coupled together and embodying our invention. Figure 2 is an enlarged fragmentary view in perspective illustrating the application of our device, and Figure 3 is an enlarged fragmentary view in perspective illustrating the parts of our invention mounted on the harvester.

The harvester is attached to the tractor by a stub tongue 1 reinforced by a brace 2, and is provided with a seat 3 mounted in the usual place and manner. Adjacent vthe seat is a post 4 rigidly secured on the rear of the harvester and provided at its upper end with a bearing 5. A bracket 6 is mounted on the front of the harvester and carries a bearing 7. Journaled in the bearings 5 and 7 is a steering rod 8 provided with a hand wheel 9 convenient to the seat 3. The forward end of the rod 8 is connected with the steering wheel 10 of the tractor by a Cardan joint 11, which is telescopic for flexibility of the steering device when the tractor and attached machine is making a turn. The steering wheel 10 is mounted on a rotatable shaft 12 connected in a desired manner to the steerable wheel mechanism of the tractor.

The bracket 6 is provided with a part 13 substantially horizontal and preferably integral with a part 14 which extends downwardly and is rigidly secured to the frame of the harvester and reinforced by a brace 15. A support 16 is rigidly secured on the harvester with its free end bent upwardly and provided with holes 17 and 18. An upstanding arm 19 is rigid on thesupport 16 and is provided 'with tholes 2O and 21. rod 22 is slidably ,mounted inea hole 23 in the support 16 and a bearing 24 on'the horizon tal part4 13 of thebracket 6.' v4A Cardan joint .25,connects the rod 22 with al rod 26 rotatabl y and slidably yjournaled yin bearings 2? and 28 on a vertically positioned member 29 which "is bol-ted, or otherwise secured, to a casing 3 0 on the tractor. I r

Bigidly attached'to'the rod 26, between the bearings 27 and'28, is an upstanding arm 31 having vits upper portion bent substantially horizontal and provided with an opening in which the gear 'shift lever 32 is loosely held. The lever 32 operates in a -T slot in the top of the casing 30. The free end 34 of the rod 22 is cranked to provide a hand hold, for the operator of the combined machines, by which the rod 22 can be rocked to move the lever 32 laterally of the tractor' and by which it can be slidably moved longitudinally to rock the lever 32 fore and aft through the action of the arm 31, when it is desired to shift the gears.

Provided with a loop 36, within easy reach of the operator, is a rope or cable 37 which extends forwardly through the hole 20 in the arm 19 and is connected to the clutch lever 38. A similar rope or cable 39 has a loop 40 and extends through the hole 21 in the arm 19 and forwardly through the swallow and over the sheave of a block 40, mounted on a vertical support 41, rigidly secured preferably on the rear of the tractor', and from thence passes through a similar block 42 and rearward to connection with the clutch lever 38. A vertical support 43 is mounted on the rear of the tractor, is similar to the support 41, and carries a block 44 through which the cable 37 passes to the clutch lever 38. Both supports 41 and 43 are held firmly upright by suitable braces 45.

The throttle lever 46 is operable in a manner similar to that employed to control the clutch lever 38; a loop 47 is formed on the rear end of a cable 48 which passes forwardly through the hole 18 in the support 16 and thence forwardly through a guide loop 49, formed on a post 50 secured on the support 48, to the throttle lever 46 to which it is attached. A cable 51 is attached to the throttle lever 46 opposite the attachment of the cable 48 therewith, and extends forwardly through a block 52, mounted on the tractor,

and running rearwardly passing through the loop lsf anu-l tlrbtgh the here 21- tris arm 19 and terminating in a loop A5.3,Y fllo support the drag of the cablesawllfshapegl member' aai'sproyrdefr rotated- ,vfcwar 151 f are timer weer@ af ie Sear-fsa is piace f rocking theredr22 the rod Qlis rocked sii5'- rnultaneously and; the arinrlopera-tesi tcnaoy'e the lever 32 laterally of tliegtractor arid into/*the ore andaft por-'tien of the slot 33 zd by lonfgit-ufflifli-@vment @if .the rod QQgtlie Flever ,32 rocked the desired direction, from this opera-tiorr the leyer 32 is returned tothe' neutral po`s'i-i'3i nf,'-y as sljih in Eig-ure 2,# by' r'oclinggtllreiod 2% Steeri-ntfig the tractoris' accomplished by pera-tion f the vyvlieel- '91 imparting similar rfg'tattioiij to the it'fheel 1Q.- .Th'e tlirttle.lever` L6 isi-rocked" in' one direction by a pull on the cable 48,

and in the opposite direction by pulling the calle l; and the clutch leier 38is roclied in asimilar manner by the cables 37 and 39, the loops or hand holds at the end ofthe` cables proyidi'ng a cierient means?, close to th'e seat- 31,-by`u'flricl thel operator can acti'rte the cableafo'r the purpose desired.'

VVht clairn is l' lhek combination with a tractor and an 0bject to be drawn, of means to operate the gear shift lever of the tractor, saidineanscomprising a rod rotatably and f slidably' mountedI .on said `object, a casingthruglr which; the gear shi-ltulever extends, an in'- i'Yert-edarch shapedslupplortrfigi'dlygnounted o'rfijvthe-c'asing, a rod rotatably and sli'dably jjc rnaledj inbearingis on the arch, a VCardan Joint connecting said rods, an arni rigidly secured on the second mentione'drod and eX- tending at anv upwardinclinati'on Atherefrein and connected to said lever wherebyv said lee;F ver is rocked laterally or longitudinally of the tractor by operation of said rods.

ROBERT C. LIVES'AY. 

